EDG transformer 480 208 1.pdf

This image shows an ACME Transformer General Purpose Transformer unit, model TC-53518-3S, Style SR, manufactured in Lumberton, North Carolina. The transformer specifications include primary volts of 240x480V with W/FC taps, secondary volts of 120/240V, a capacity of 25 KVA at 50 Hz single phase, and a winding rise of 115 degrees Celsius with an impedance at 135 degrees Celsius. The unit features minimum field-installed clearance of 8 inches on the side and 16 inches vertical, operates in an outdoor enclosure type, and utilizes an H-3180-I insulation system Class II/B. Additional technical details reference drawing B-11795 and instructions format UN INS-DC.

The transformer is labeled as "Shielded for cleaner power" and is mounted on a 208/120V emergency generator distribution panel, marked as Line EP-417 Load. The unit bears UL and other testing certification marks visible at the top of the label. This appears to be industrial electrical equipment used for power distribution and conditioning in an emergency backup power system context.